sig
val fishead :
?presentation_numerator:Stdlib.Int64.t ->
?presentation_denominator:Stdlib.Int64.t ->
?basetime_numerator:Stdlib.Int64.t ->
?basetime_denominator:Stdlib.Int64.t ->
?utc:Stdlib.Int32.t -> unit -> Ogg.Stream.packet
val eos : unit -> Ogg.Stream.packet
end